A computer generated laminated plastic engraved drawing used for maintenance and information purposes within but not exclusively a plant room,eg boilerhouse

摘要

The invention relates to a computer generated laminated plastic engraved drawing used for maintenance and information purposes within a building, typically but not exclusively within a plant room e.g. a boilerhouse or an electrical switchroom. A tough, permanent washable record of essential plant and building information can be provided. The drawing can be screwed directly to an uneven surface.